12220011200123 has 16 divisors (see below), whose sum is σ = 12891338880000. Its totient is φ = 11551505388192.

The previous prime is 12220011200093. The next prime is 12220011200207. The reversal of 12220011200123 is 32100211002221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12220011200123 is a prime.

It is a super-2 number, since 2×12220011200123² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12220011202123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96653153 + ... + 96779501.

It is an arithmetic number, because the mean of its divisors is an integer number (805708680000).

Almost surely, 2^{12220011200123} is an apocalyptic number.

12220011200123 is a deficient number, since it is larger than the sum of its proper divisors (671327679877).

12220011200123 is a wasteful number, since it uses less digits than its factorization.

12220011200123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137474.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12220011200123 its reverse (32100211002221), we get a palindrome (44320222202344).

The spelling of 12220011200123 in words is "twelve trillion, two hundred twenty billion, eleven million, two hundred thousand, one hundred twenty-three".